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Projects & Parts => Garage/Tech => Topic started by: redneckjones09 on September 26, 2013, 03:24:20 AM

Title: what tranny will a NP241 work with
Post by: redneckjones09 on September 26, 2013, 03:24:20 AM
im building a 98 Silverado with custom ifs suspension. but I need to know what transmission my NP241 t case will work with. a TH350 or TH400 or an 700R4? and if anyone has a trans that will work for sale cheap.. thanks
Title: Re: what tranny will a NP241 work with
Post by: J.C. on September 26, 2013, 03:30:45 AM
Depends on the input of your case. Is it 27 or 32 spline?
Title: Re: what tranny will a NP241 work with
Post by: redneckjones09 on September 27, 2013, 12:18:41 AM
will a 22wd th400 work? cuz on the GM trans they have that adapter/ trans mount between the trans and the t case so idk if it would work? but ill count the splines and let ya know I need a trans asap. thanks
Title: Re: what tranny will a NP241 work with
Post by: Chevy Racer on September 27, 2013, 04:11:59 AM
Spline count and adapter play a role. 400 is 32 Spline.  350 + 700R4 are 27 Spline.
Title: Re: what tranny will a NP241 work with
Post by: redneckjones09 on September 29, 2013, 07:26:33 PM
alright thanks. can I changes the input shaft on my t case to make a th400 fit?
Title: Re: what tranny will a NP241 work with
Post by: Mudbuster on September 29, 2013, 07:52:21 PM
yes but you will also need the adapter for the 400
Title: Re: what tranny will a NP241 work with
Post by: J.C. on September 29, 2013, 08:37:48 PM
I have a 241 ds drop for a 400. No adapter tho :(
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